CVE-2026-9827

Arbitrary File Write Enabling Remote Code Execution via formUploadFile on Totolink X2000R

Published Oct 20, 2026 CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
Description
A arbitrary file write vulnerability exists in the boa formUploadFile functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Arbitrary File Write Enabling Remote Code Execution via formUploadFile on Totolink X2000R
Type Values Removed Values Added
First Time appeared Totolink
Totolink x2000r
Vendors & Products Totolink
Totolink x2000r
Type Values Removed Values Added
Description A arbitrary file write vulnerability exists in the boa formUploadFile functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.
Weaknesses CWE-22
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
talos
Published
Updated
Oct 23, 2026, 10:10 PM
Reserved
May 28, 2026, 11:51 AM
Status
Deferred
Published
Oct 20, 2026, 9:17 PM
Modified
Oct 23, 2026, 11:19 PM